ref_transaction_commit(): fix atomicity and avoid fd exhaustion

diff --git a/t/t6028-merge-up-to-date.sh b/t/t6028-merge-up-to-date.sh
index c518e9c30ccbb12c504d25aa965f8941a3989d8d..7763c1ba98080d5d1d68e1009fb70f6c80cf479a 100755 (executable)
--- a/t/t6028-merge-up-to-date.sh
+++ b/t/t6028-merge-up-to-date.sh
@@ -83,7 +83,7 @@ test_expect_success 'merge fast-forward octopus' '
 
        git reset --hard c0 &&
        test_tick &&
-       git merge c1 c2
+       git merge c1 c2 &&
        expect=$(git rev-parse c2) &&
        current=$(git rev-parse HEAD) &&
        test "$expect" = "$current"